gistfile1.js

	this.create = function(data, fn){

		// Obtener clase

		var Class = require("./../models/Class");

		Class.readByName(data.class, function(err, _class){
			if(err) return fn(err);

			// Parse properties
			
			console.log("Class of instance : ", _class);

			var properties = [];

			for(var i in data.properties){
				for(var j in _class.properties){
					if(i == _class.properties[j].name){
						console.log("Property : ", i , " ", data.properties[i]);
						var prop = _class.properties[j];
						prop.value = data.properties[i];
						prop.bid = data.bid;
						properties.push(prop);	
					}
				}
				
			};

			console.log("Parsed properties according to class ===> ", properties);

			// TODO : Comprobar que cumple con la estructura de la clase.
			// TODO : Insert properties
				
			if(data.labels == undefined) data.labels = [];

			var query = [
				"START c=node(" + _class.id + ")",
	        	"CREATE ",
	        	"(n:Instance:" + data.labels.join(':') + ":B" + data.bid + ":C" + _class.id + " {`name`:'" + data.name + "'})",
	        	"WITH n,c",
	        	"CREATE (n)-[r:`class`]->(c)",
	        	"RETURN n"
	        ].join("\n");

	        console.log("Create instance ...");

	        // Crear nodo instancia
	        db.query(query, {}, function(err, new_instance){
	        	if(err) return fn(err);

	        	new_instance = new_instance[0].n;

	        	console.log("Get properties ...");
	        	// Crear propiedades
	        	async.map(properties, function(property, cb){
	        		// Crear y asignar a clase
	        		Property.createForInstance(property, new_instance.id, cb);
	        	},function(err, results){
	        		if(err) {
	        			// Rollback
	        			return self.delete(new_instance.id, function(err2){
	        				if(err2) return fn(err2);
	        				// Return error
	        				return fn(err);
	        			}); 
	        		};

	        		console.log("Get instance ...");

	        		// Obtener instancia
	        		self.readWithFormat(new_instance.id,function(err,new_instance){
						if(err) return fn(err);
						console.log("New instance created : ", new_instance);
						fn(null,new_instance);
					});
	        	});
	        });

		});

    };